NEW YORK (AP) Christina Applegate, star of the Broadway-bound revival of ``Sweet Charity,'' broke her foot during a performance in Chicago and will be out of the musical through its Boston tryout engagement. Applegate was injured during the opening moments of Friday's performance at the Cadillac Palace Theatre in downtown Chicago. She continued to play for about 20 minutes before the show was stopped. After a short delay, Applegate's understudy, Dylis Croman, took over the role, and the performance resumed. She is expected to return to the musical by the time it starts preview performances April 4 in New York,...